Lygodium
483203
196803776
2008-03-08T16:54:59Z
Eubot
231599
Removed taxobox colour. See [[User:Eubot/Removing colours from taxoboxen]].
{{Taxobox
| name = ''Lygodium''
| image = Climbing_fern.jpg
| image_width = 240px
| image_caption = ''Lygodium japonicum''
| regnum = [[Plant]]ae
| divisio = [[Pteridophyta]]
| classis = [[Pteridopsida]]
| ordo = [[Schizaeales]]
| familia = '''Lygodiaceae'''
| familia_authority = [[Karel Presl|C.Presl]]
| genus = ''Lygodium''
| genus_authority = [[Olof Swartz|Sw.]]
| subdivision_ranks = Species
| subdivision = See text
}}
'''''Lygodium''''' ('''climbing fern''') is a genus of about 40 species of [[fern]]s, native to tropical regions across the world, with a few temperate species in eastern [[Asia]] and eastern [[North America]]. It is the sole genus in the family '''Lygodiaceae''', though included in the family [[Schizaeaceae]] by some botanists.
They are unusual in that the rachis, or midrib, of the [[frond]] is thin, flexible, and long, the frond [[vernation|unrolling]] with indeterminate growth and the rachis twining around supports, so that each frond forms a distinct [[vine]]. The fronds may be from 3-12 m long, depending on the species.
Lygodium is now considered a very problematic invasive species in the southern U.S. Populations of Lygodium have increased more than 12-fold over the past decade--as can be seen on [[IFAS]]'s [http://biscuitgis.com/srfer/ SRFer Mapserver].
;Selected species
*''[[Lygodium articulatum]]'' – Tropical southeast Asia.
*''[[Lygodium circinatum]]'' – Tropical Asia and Australasia.
*''[[Lygodium conforme]]'' – China.
*''[[Lygodium cubense]]'' – Cuba, Hispaniola.
*''[[Lygodium digitatum]]'' – China.
*''[[Lygodium flexuosum]]'' – Southern China south to northern Australasia.
*''[[Lygodium japonicum]]'' – Japanese climbing fern. Eastern Asia south to northern Australia.
*''[[Lygodium microphyllum]]'' – Old World tropics.
*''[[Lygodium microstachyum]]'' – China.
*''[[Lygodium palmatum]]'' – American climbing fern. Eastern United States (rare, confined to acid soils).
*''[[Lygodium polystachyum]]'' – China.
*''[[Lygodium reticulatum]]'' – Australia, Polynesia.
*''[[Lygodium salicifolium]]'' – Southern China south to northern Australasia.
*''[[Lygodium scandens]]'' – Southern China south to northern Australia.
*''[[Lygodium subareolatum]]'' – China.
*''[[Lygodium trifurcatum]]'' – Tropical southeast Asia south to northern Australasia.
*''[[Lygodium volubile]]'' – Northern South America, Central America, Caribbean.
*''[[Lygodium versteeghii]]'' – Tropical southeast Asia south to northern Australasia.
*''[[Lygodium yunnanense]]'' – Southern China.
==References==
{{commons|Category:Lygodium|Lygodium}}
*[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=119176 Flora of North America: ''Lygodium'']
*{{APNI | name = Lygodium Sw. | id = 46269}}
*[http://www.efloras.org/browse.aspx?flora_id=3&start_taxon_id=119176 Flora of China: ''Lygodium'' species list]
[[Category:Pteridophyta]]
[[es:Lygodiaceae]]
[[id:Hata]]
[[nl:Lygodium]]
[[ja:カニクサ]]